A: Do you have these shoes in size 8?
B: Sure. Here you are.
A: I'm sorry, but they are too small. Do you have a bigger pair?
B: Here. Try these on.
A: Wow! These are just right.
A: Excuse me. Can you show me some high-heeled shoes?
B: Sure. This way, please.
A: These are too high. Do you have lower ones?
B: How about these?
A: They don't fit. Do you have smaller ones?
B: I'm afraid we don't have your size.
A: What a shame!